190527-N-TR763-0406 HONOLULU (May 27, 2019) Chief of Naval Operations (CNO) Adm. John Richardson speaks with Sailors aboard the Los Angeles-class attack submarine USS Cheyenne (SSN-773) during an all-hands call. Richardson is visiting Hawaii to participate in Memorial Day services and meet with Sailors. (U.S. Navy photo by Chief Mass Communication Specialist Nick Brown/Released)